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Finding the Fourth Proportional to 296,887.60, 444,942.60 and 263,450.80

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Solution

The fourth proportional to 296,887.60, 444,942.60 and 263,450.80 is: 394,831.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,887.60 : 444,942.60 = 263,450.80 : x
  2. Step 2: Convert to fraction form
    296,887.60/444,942.60 = 263,450.80/x
  3. Step 3: Cross multiply
    296,887.60x = 444,942.60 × 263,450.80
  4. Step 4: Simplify right side
    296,887.60x = 117,220,483,924.08
  5. Step 5: Solve for x
    x = 117,220,483,924.08/296,887.60
  6. Step 6: Final answer
    x = 394,831.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.